org.apache.hadoop.fs.azure.metrics

Class ResponseReceivedMetricUpdater

java.lang.Object

com.microsoft.azure.storage.StorageEvent<com.microsoft.azure.storage.ResponseReceivedEvent>

org.apache.hadoop.fs.azure.metrics.ResponseReceivedMetricUpdater

All Implemented Interfaces:

EventListener

@InterfaceAudience.Private
public final class ResponseReceivedMetricUpdater
extends com.microsoft.azure.storage.StorageEvent<com.microsoft.azure.storage.ResponseReceivedEvent>

An event listener to the ResponseReceived event from Azure Storage that will update metrics appropriately when it gets that event.

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.commons.logging.Log	LOG

Method Summary

Modifier and Type	Method and Description
void	eventOccurred(com.microsoft.azure.storage.ResponseReceivedEvent eventArg) Handle the response-received event from Azure SDK.
static void	hook(com.microsoft.azure.storage.OperationContext operationContext, AzureFileSystemInstrumentation instrumentation, BandwidthGaugeUpdater blockUploadGaugeUpdater) Hooks a new listener to the given operationContext that will update the metrics for the WASB file system appropriately in response to ResponseReceived events.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

Method Detail

hook

public static void hook(com.microsoft.azure.storage.OperationContext operationContext,
                        AzureFileSystemInstrumentation instrumentation,
                        BandwidthGaugeUpdater blockUploadGaugeUpdater)

Hooks a new listener to the given operationContext that will update the metrics for the WASB file system appropriately in response to ResponseReceived events.

Parameters:

operationContext - The operationContext to hook.

instrumentation - The metrics source to update.

blockUploadGaugeUpdater - The blockUploadGaugeUpdater to use.

eventOccurred

public void eventOccurred(com.microsoft.azure.storage.ResponseReceivedEvent eventArg)

Handle the response-received event from Azure SDK.

Specified by:

eventOccurred in class com.microsoft.azure.storage.StorageEvent<com.microsoft.azure.storage.ResponseReceivedEvent>